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Merge pull request #44 from jpoimboe/gcc-warnings

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enable gcc warnings and fix all warnings
This commit is contained in:
Seth Jennings 2014-03-05 10:04:36 -06:00
commit 16fb78696c
4 changed files with 8 additions and 20 deletions
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2
kpatch-build/Makefile
View File

@ -1,6 +1,6 @@
include ../Makefile.inc
CFLAGS += -I../kmod/core
CFLAGS += -I../kmod/core -Wall
LDFLAGS = -lelf
TARGETS = create-diff-object add-patches-section link-vmlinux-syms

5
kpatch-build/add-patches-section.c
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@ -141,7 +141,7 @@ static void find_section_by_name(struct elf *elf, char *name, struct section *se
GElf_Shdr sh;
char *secname;
while (scn = elf_nextscn(elf->elf, scn)) {
while ((scn = elf_nextscn(elf->elf, scn))) {
if (!gelf_getshdr(scn, &sh))
ERROR("gelf_getshdr");
@ -207,7 +207,6 @@ int main(int argc, char **argv)
struct symlist symlist, symlistv;
struct sym *cur, *vsym;
struct elf elf, elfv;
char name[255];
void *buf;
struct kpatch_patch *patches_data;
GElf_Rela *relas_data;
@ -252,7 +251,7 @@ int main(int argc, char **argv)
cur->vm_addr = vsym->sym.st_value;
cur->vm_len = vsym->sym.st_size;
cur->action = PATCH;
printf("original function at address %016lx (length %d)\n",
printf("original function at address %016lx (length %zu)\n",
cur->vm_addr, cur->vm_len);
patches_nr++;
}

8
kpatch-build/create-diff-object.c
View File

@ -428,7 +428,6 @@ struct kpatch_elf *kpatch_elf_open(const char *name)
void kpatch_compare_correlated_nonrela_section(struct section *sec)
{
struct section *sec1 = sec, *sec2 = sec->twin;
enum status status;
/* Compare section headers (must match or fatal) */
if (sec1->sh.sh_type != sec2->sh.sh_type ||
@ -666,8 +665,7 @@ void kpatch_correlate_elfs(struct kpatch_elf *kelf1, struct kpatch_elf *kelf2)
void kpatch_compare_correlated_elements(struct kpatch_elf *kelf)
{
struct section *sec;
struct rela *rela;
int i, j;
int i;
/* tables are already correlated at this point */
kpatch_compare_correlated_nonrela_sections(&kelf->sections);
@ -715,7 +713,7 @@ void kpatch_dump_kelf(struct kpatch_elf *kelf)
printf(", base-> %s\n", sec->base->name);
printf("rela section expansion\n");
for_each_rela(j, rela, &sec->relas) {
printf("sym %d, offset %d, type %d, %s %s %d %s\n",
printf("sym %lu, offset %d, type %d, %s %s %d %s\n",
GELF_R_SYM(rela->rela.r_info),
rela->offset, rela->type,
rela->sym->name,
@ -1158,7 +1156,7 @@ void kpatch_create_symtab(struct kpatch_elf *kelf)
void kpatch_write_output_elf(struct kpatch_elf *kelf, Elf *elf, char *outfile)
{
int fd, i, index = 0;
int fd, i;
struct section *sec;
Elf *elfout;
GElf_Ehdr eh, ehout;

13
kpatch-build/link-vmlinux-syms.c
View File

@ -138,7 +138,7 @@ static void find_section_by_name(struct elf *elf, char *name, struct section *se
GElf_Shdr sh;
char *secname;
while (scn = elf_nextscn(elf->elf, scn)) {
while ((scn = elf_nextscn(elf->elf, scn))) {
if (!gelf_getshdr(scn, &sh))
ERROR("gelf_getshdr");
@ -205,17 +205,9 @@ int main(int argc, char **argv)
struct sym *cur, *vsym;
struct elf elf, elfv;
char name[255];
void *buf;
struct kpatch_patch *patches_data;
GElf_Rela *relas_data;
int patches_nr = 0, i, patches_size, relas_size, len;
int patches_offset, relas_offset, patches_index, relas_index;
struct section symtab;
Elf_Scn *scn;
Elf_Data *data;
GElf_Shdr sh, *shp;
GElf_Ehdr eh;
GElf_Sym sym;
/* set elf version (required by libelf) */
if (elf_version(EV_CURRENT) == EV_NONE)
@ -280,7 +272,7 @@ int main(int argc, char **argv)
cur->vm_addr = vsym->sym.st_value;
cur->vm_len = vsym->sym.st_size;
cur->action = LINK;
printf("original symbol at address %016lx (length %d)\n",
printf("original symbol at address %016lx (length %zu)\n",
cur->vm_addr, cur->vm_len);
}
@ -360,7 +352,6 @@ int main(int argc, char **argv)
#endif
find_section_by_name(&elf, ".symtab", &symtab);
scn = symtab.scn;
shp = &symtab.sh;
data = elf_getdata(scn, NULL);
if (!data)